feat: add region provider

Author: xinsong-cui

codegen/smithy-kotlin-codegen/src/main/kotlin/software/amazon/smithy/kotlin/codegen/core/KotlinDependency.kt

@@ -38,6 +38,7 @@ private fun getDefaultRuntimeVersion(): String {
 const val RUNTIME_GROUP: String = "aws.smithy.kotlin"
 val RUNTIME_VERSION: String = System.getProperty("smithy.kotlin.codegen.clientRuntimeVersion", getDefaultRuntimeVersion())
 val KOTLIN_COMPILER_VERSION: String = System.getProperty("smithy.kotlin.codegen.kotlinCompilerVersion", "2.0.10")
+val KOTLINX_COROUTINES_VERSION: String = System.getProperty("smithy.kotlin.codegen.kotlinCoroutinesVersion", "1.9.0")
 
 enum class SourceSet {
     CommonMain,
@@ -134,6 +135,7 @@ data class KotlinDependency(
         // External third-party dependencies
         val KOTLIN_STDLIB = KotlinDependency(GradleConfiguration.Implementation, "kotlin", "org.jetbrains.kotlin", "kotlin-stdlib", KOTLIN_COMPILER_VERSION)
         val KOTLIN_TEST = KotlinDependency(GradleConfiguration.TestImplementation, "kotlin.test", "org.jetbrains.kotlin", "kotlin-test", KOTLIN_COMPILER_VERSION)
+        val KOTLINX_COROUTINES = KotlinDependency(GradleConfiguration.Implementation, "kotlinx.coroutines", "org.jetbrains.kotlinx", "kotlinx-coroutines-core", KOTLINX_COROUTINES_VERSION)
     }
 
     override fun getDependencies(): List<SymbolDependency> {

codegen/smithy-kotlin-codegen/src/main/kotlin/software/amazon/smithy/kotlin/codegen/lang/KotlinTypes.kt

@@ -118,7 +118,8 @@ object KotlinTypes {
         val minutes = stdlibSymbol("minutes", "time.Duration.Companion")
     }
 
-    object Coroutines {
+    object Coroutines : RuntimeTypePackage(KotlinDependency.KOTLINX_COROUTINES) {
+        val runBlocking = symbol("runBlocking")
         val CoroutineContext = "kotlin.coroutines.CoroutineContext".toSymbol()
     }